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Measurement E151M3331

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.0839
Q2: 0.0844 GeV2
W: 1595.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8622

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 126.0 -0.2993 0.2138
0.55 270.0 0.0215 0.2591
0.55 282.0 0.2569 0.2528
0.65 114.0 0.0351 0.2593
0.65 294.0 -0.1548 0.2421
0.75 126.0 -0.4093 0.2414
0.75 210.0 -0.536 0.2187
0.75 234.0 0.1599 0.2369
0.75 282.0 -0.2139 0.1993
0.85 102.0 0.1271 0.206
0.85 114.0 -0.2747 0.2325
0.85 210.0 -0.0733 0.2225
0.85 222.0 -0.17 0.208
0.85 234.0 0.0804 0.2142
0.95 234.0 -0.0327 0.2629
0.45 78.0 -0.0529 0.2316
0.45 270.0 0.5326 0.1982
0.45 282.0 0.1424 0.2464
0.55 114.0 -0.1181 0.234
0.65 126.0 -0.0825 0.2367
0.65 138.0 -0.2931 0.2533
0.65 222.0 0.0576 0.1982
0.65 294.0 0.1064 0.2427
0.75 114.0 0.1171 0.2309
0.75 126.0 0.0375 0.2228
0.75 222.0 0.309 0.2463
0.75 234.0 0.033 0.2535
0.75 282.0 -0.0143 0.2085
0.75 294.0 -0.4067 0.2248
0.85 90.0 0.1091 0.2587
0.85 102.0 -0.1679 0.2222
0.85 198.0 -0.1185 0.2218
0.85 210.0 -0.3922 0.1879
0.85 222.0 -0.2499 0.1784
0.85 234.0 -0.1948 0.2383
0.85 246.0 0.0704 0.2245
0.95 246.0 -0.3203 0.2198
Created in SINP MSU, CLAS Collaboration